| 摘要 |
<p>An oxadiazole derivative represented by general formula (I) and useful as a 5-HT4 receptor agonist, a pharmaceutically acceptable salt thereof, or a medicinal composition thereof wherein one of R?1 and R2¿ represents (a) and the other represents -A-Het; A represents a mere bond or lower alkylene; Het represents a monocyclic, fused or cross-linked heterocyclic group containing at least one nitrogen atom and bonded to A at the ring carbon atom; and R3 represents lower alkyl, lower alkenyl or lower alkynyl.</p> |
